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Commit be0f3d85 authored by Laurent Aimar's avatar Laurent Aimar
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* all: with mpeg4 video I changed the way that some initialisation data 

are passed (more logical).
parent d387c508
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Showing with 69 additions and 35 deletions
modules/codec/ffmpeg/video.c
View file @ be0f3d85
......@@ -2,7 +2,7 @@
* video.c: video decoder using ffmpeg library
*****************************************************************************
* Copyright (C) 1999-2001 VideoLAN
* $Id: video.c,v 1.12 2002/12/10 10:22:04 fenrir Exp $
* $Id: video.c,v 1.13 2002/12/14 18:57:34 fenrir Exp $
*
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
* Gildas Bazin <gbazin@netcourrier.com>
......@@ -362,11 +362,13 @@ int E_( InitThread_Video )( vdec_thread_t *p_vdec )
switch( p_vdec->i_codec_id )
{
case( CODEC_ID_MPEG4 ):
#if 0
avcodec_decode_video( p_vdec->p_context, p_vdec->p_ff_pic,
&b_gotpicture,
(void *)&p_vdec->p_format[1],
p_vdec->p_format->biSize
- sizeof(BITMAPINFOHEADER) );
#endif
break;
default:
if( p_vdec->p_fifo->i_fourcc == FOURCC_MP4S ||
......
modules/demux/mp4/mp4.c
View file @ be0f3d85
......@@ -2,14 +2,14 @@
* mp4.c : MP4 file input module for vlc
*****************************************************************************
* Copyright (C) 2001 VideoLAN
* $Id: mp4.c,v 1.9 2002/12/06 16:34:06 sam Exp $
* $Id: mp4.c,v 1.10 2002/12/14 18:57:34 fenrir Exp $
* Authors: Laurent Aimar <fenrir@via.ecp.fr>
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
......@@ -56,7 +56,7 @@ vlc_module_begin();
vlc_module_end();
/*****************************************************************************
* Declaration of local function
* Declaration of local function
*****************************************************************************/
static int MP4_TrackSynchro( input_thread_t *p_input, track_data_mp4_t *p_track );
......@@ -87,12 +87,12 @@ static int MP4_DecodeSample();
* MP4Init: check file and initializes MP4 structures
*****************************************************************************/
static int MP4Init( vlc_object_t * p_this )
{
{
input_thread_t *p_input = (input_thread_t *)p_this;
uint8_t *p_peek;
demux_sys_t *p_demux;
MP4_Box_t *p_ftyp;
......@@ -105,8 +105,8 @@ static int MP4Init( vlc_object_t * p_this )
{
msg_Warn( p_input, "MP4 plugin discarded (unseekable)" );
return( -1 );
}
}
/* Initialize access plug-in structures. */
if( p_input->i_mtu == 0 )
{
......@@ -123,17 +123,17 @@ static int MP4Init( vlc_object_t * p_this )
return( -1 );
}
switch( VLC_FOURCC( p_peek[4], p_peek[5], p_peek[6], p_peek[7] ) )
{
case( FOURCC_ftyp ):
case( FOURCC_moov ):
case( FOURCC_moof ):
case( FOURCC_mdat ):
case( FOURCC_udta ):
case( FOURCC_udta ):
case( FOURCC_free ):
case( FOURCC_skip ):
case( FOURCC_wide ):
case( FOURCC_wide ):
break;
default:
msg_Warn( p_input, "MP4 plugin discarded (not a valid file)" );
......@@ -141,7 +141,7 @@ static int MP4Init( vlc_object_t * p_this )
}
/* create our structure that will contains all data */
if( !( p_input->p_demux_data =
if( !( p_input->p_demux_data =
p_demux = malloc( sizeof( demux_sys_t ) ) ) )
{
msg_Err( p_input, "out of memory" );
......@@ -149,7 +149,7 @@ static int MP4Init( vlc_object_t * p_this )
}
memset( p_demux, 0, sizeof( demux_sys_t ) );
p_input->p_demux_data = p_demux;
/* Now load all boxes ( except raw data ) */
if( !MP4_BoxGetRoot( p_input, &p_demux->box_root ) )
......@@ -205,7 +205,7 @@ static int MP4Init( vlc_object_t * p_this )
p_demux->i_timescale = p_mvhd->data.p_mvhd->i_timescale;
p_demux->i_duration = p_mvhd->data.p_mvhd->i_duration;
}
if( !( p_demux->i_tracks =
MP4_BoxCount( &p_demux->box_root, "/moov/trak" ) ) )
{
......@@ -241,7 +241,7 @@ static int MP4Init( vlc_object_t * p_this )
psz_cat = "unknown";
break;
}
msg_Dbg( p_input, "adding track[Id 0x%x] %s (%s) language %c%c%c",
p_demux->track[i].i_track_ID,
psz_cat,
......@@ -256,7 +256,7 @@ static int MP4Init( vlc_object_t * p_this )
}
}
/* create one program */
vlc_mutex_lock( &p_input->stream.stream_lock );
if( input_InitStream( p_input, 0 ) == -1)
......@@ -277,8 +277,8 @@ static int MP4Init( vlc_object_t * p_this )
/* XXX beurk and beurk, see MP4Demux and MP4Seek */
if( p_demux->i_duration/p_demux->i_timescale > 0 )
{
p_input->stream.i_mux_rate =
p_input->stream.p_selected_area->i_size / 50 /
p_input->stream.i_mux_rate =
p_input->stream.p_selected_area->i_size / 50 /
( p_demux->i_duration / p_demux->i_timescale );
}
else
......@@ -286,8 +286,8 @@ static int MP4Init( vlc_object_t * p_this )
p_input->stream.i_mux_rate = 0;
}
vlc_mutex_unlock( &p_input->stream.stream_lock );
for( i = 0; i < p_demux->i_tracks; i++ )
{
/* start decoder for this track if enable by default*/
......@@ -300,13 +300,13 @@ static int MP4Init( vlc_object_t * p_this )
vlc_mutex_lock( &p_input->stream.stream_lock );
p_input->stream.p_selected_program->b_is_ok = 1;
vlc_mutex_unlock( &p_input->stream.stream_lock );
return( 0 );
return( 0 );
}
/*****************************************************************************
* MP4Demux: read packet and send them to decoders
* MP4Demux: read packet and send them to decoders
*****************************************************************************
* TODO check for newly selected track (ie audio upt to now )
*****************************************************************************/
......@@ -906,19 +906,20 @@ static void MP4_StartDecoder( input_thread_t *p_input,
unsigned int i_decoder_specific_info_len;
uint8_t * p_decoder_specific_info;
pes_packet_t *p_pes_init;
uint8_t *p_init;
BITMAPINFOHEADER *p_bih;
WAVEFORMATEX *p_wf;
MP4_Box_t *p_esds;
if( (!p_demux_track->b_ok )||( p_demux_track->i_cat == UNKNOWN_ES ) )
{
return;
}
msg_Dbg( p_input, "Starting decoder for track[Id 0x%x]",
p_demux_track->i_track_ID );
......@@ -956,7 +957,7 @@ static void MP4_StartDecoder( input_thread_t *p_input,
p_demux_track->p_es->psz_desc[i] = p_demux_track->i_language[i];
}
p_demux_track->p_es->psz_desc[3] = '\0';
p_demux_track->p_es->i_stream_id = p_demux_track->i_track_ID;
/* It's a little ugly but .. there are special cases */
......@@ -970,11 +971,12 @@ static void MP4_StartDecoder( input_thread_t *p_input,
p_demux_track->p_es->i_fourcc = p_sample->i_type;
break;
}
p_demux_track->p_es->i_cat = p_demux_track->i_cat;
i_decoder_specific_info_len = 0;
p_decoder_specific_info = NULL;
p_pes_init = NULL;
/* now see if esds is present and if so create a data packet
with decoder_specific_info */
......@@ -1045,9 +1047,9 @@ static void MP4_StartDecoder( input_thread_t *p_input,
--> bitmapinfoheader_t : width and height
--> waveformatex_t : channels, samplerate, bitspersample
and at the end I add p_decoder_specific_info
TODO set more values
*/
switch( p_demux_track->i_cat )
......@@ -1080,12 +1082,37 @@ static void MP4_StartDecoder( input_thread_t *p_input,
// fall on display size
p_bih->biHeight = p_demux_track->i_height;
}
if( i_decoder_specific_info_len )
{
data_packet_t *p_data;
memcpy( p_init + sizeof( BITMAPINFOHEADER ),
p_decoder_specific_info,
i_decoder_specific_info_len);
/* If stream is mpeg4 video we send specific_info,
as it's needed to decode it (vol) */
switch( p_demux_track->p_es->i_fourcc )
{
case VLC_FOURCC( 'm','p','4','v' ):
case VLC_FOURCC( 'D','I','V','X' ):
case VLC_FOURCC( 'd','i','v','x' ):
p_pes_init = input_NewPES( p_input->p_method_data );
p_data = input_NewPacket( p_input->p_method_data,
i_decoder_specific_info_len);
memcpy( p_data->p_payload_start,
p_decoder_specific_info,
i_decoder_specific_info_len );
p_pes_init->i_dts = p_pes_init->i_pts = 0;
p_pes_init->p_first = p_pes_init->p_last = p_data;
p_pes_init->i_nb_data = 1;
p_pes_init->i_pes_size = i_decoder_specific_info_len;
break;
default:
break;
}
}
break;
......@@ -1105,10 +1132,11 @@ static void MP4_StartDecoder( input_thread_t *p_input,
if( i_decoder_specific_info_len )
{
memcpy( p_init + sizeof( WAVEFORMATEX ),
memcpy( p_init + sizeof( WAVEFORMATEX ),
p_decoder_specific_info,
i_decoder_specific_info_len);
}
break;
default:
......@@ -1121,6 +1149,10 @@ static void MP4_StartDecoder( input_thread_t *p_input,
input_SelectES( p_input, p_demux_track->p_es );
vlc_mutex_unlock( &p_input->stream.stream_lock );
if( p_pes_init != NULL )
{
input_DecodePES( p_demux_track->p_es->p_decoder_fifo, p_pes_init );
}
p_demux_track->b_ok = 1;
p_demux_track->b_selected = 1;
}
......
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